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Diffstat (limited to 'indra/llmessage/llcurl.cpp')
| -rwxr-xr-x | indra/llmessage/llcurl.cpp | 360 |
1 files changed, 0 insertions, 360 deletions
diff --git a/indra/llmessage/llcurl.cpp b/indra/llmessage/llcurl.cpp deleted file mode 100755 index 0094c42a02..0000000000 --- a/indra/llmessage/llcurl.cpp +++ /dev/null @@ -1,360 +0,0 @@ -/** - * @file llcurl.cpp - * @author Zero / Donovan - * @date 2006-10-15 - * @brief Implementation of wrapper around libcurl. - * - * $LicenseInfo:firstyear=2006&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010-2013, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#if LL_WINDOWS -#define SAFE_SSL 1 -#elif LL_DARWIN -#define SAFE_SSL 1 -#else -#define SAFE_SSL 1 -#endif - -#include "linden_common.h" - -#include "llcurl.h" - -#include <algorithm> -#include <iomanip> -#include <curl/curl.h> -#if SAFE_SSL -#include <openssl/crypto.h> -#endif - -#include "llbufferstream.h" -#include "llproxy.h" -#include "llsdserialize.h" -#include "llstl.h" -#include "llstring.h" -#include "llthread.h" -#include "lltimer.h" - -////////////////////////////////////////////////////////////////////////////// -/* - The trick to getting curl to do keep-alives is to reuse the - same easy handle for the requests. It appears that curl - keeps a pool of connections alive for each easy handle, but - doesn't share them between easy handles. Therefore it is - important to keep a pool of easy handles and reuse them, - rather than create and destroy them with each request. This - code does this. - - Furthermore, it would behoove us to keep track of which - hosts an easy handle was used for and pick an easy handle - that matches the next request. This code does not current - do this. - */ - -// *TODO: TSN remove the commented code from this file -////////////////////////////////////////////////////////////////////////////// - -//static const S32 MAX_ACTIVE_REQUEST_COUNT = 100; - -// DEBUG // -S32 gCurlEasyCount = 0; -S32 gCurlMultiCount = 0; - -////////////////////////////////////////////////////////////////////////////// - -//static -std::vector<LLMutex*> LLCurl::sSSLMutex; -std::string LLCurl::sCAPath; -std::string LLCurl::sCAFile; -//LLCurlThread* LLCurl::sCurlThread = NULL ; -LLMutex* LLCurl::sHandleMutexp = NULL ; -S32 LLCurl::sTotalHandles = 0 ; -bool LLCurl::sNotQuitting = true; -F32 LLCurl::sCurlRequestTimeOut = 120.f; //seonds -S32 LLCurl::sMaxHandles = 256; //max number of handles, (multi handles and easy handles combined). -CURL* LLCurl::sCurlTemplateStandardHandle = NULL; - -void check_curl_code(CURLcode code) -{ - if (code != CURLE_OK) - { - // linux appears to throw a curl error once per session for a bad initialization - // at a pretty random time (when enabling cookies). - LL_WARNS("curl") << "curl error detected: " << curl_easy_strerror(code) << LL_ENDL; - } -} - -void check_curl_multi_code(CURLMcode code) -{ - if (code != CURLM_OK) - { - // linux appears to throw a curl error once per session for a bad initialization - // at a pretty random time (when enabling cookies). - LL_WARNS("curl") << "curl multi error detected: " << curl_multi_strerror(code) << LL_ENDL; - } -} - -//static -void LLCurl::setCAPath(const std::string& path) -{ - sCAPath = path; -} - -//static -void LLCurl::setCAFile(const std::string& file) -{ - sCAFile = file; -} - -//static -std::string LLCurl::getVersionString() -{ - return std::string(curl_version()); -} - - -//static -std::string LLCurl::strerror(CURLcode errorcode) -{ - return std::string(curl_easy_strerror(errorcode)); -} - - -//////////////////////////////////////////////////////////////////////////// - -#if SAFE_SSL -//static -void LLCurl::ssl_locking_callback(int mode, int type, const char *file, int line) -{ - if (mode & CRYPTO_LOCK) - { - LLCurl::sSSLMutex[type]->lock(); - } - else - { - LLCurl::sSSLMutex[type]->unlock(); - } -} - -//static -unsigned long LLCurl::ssl_thread_id(void) -{ - return LLThread::currentID(); -} -#endif - -void LLCurl::initClass(F32 curl_reuest_timeout, S32 max_number_handles, bool multi_threaded) -{ - sCurlRequestTimeOut = curl_reuest_timeout ; //seconds - sMaxHandles = max_number_handles ; //max number of handles, (multi handles and easy handles combined). - - // Do not change this "unless you are familiar with and mean to control - // internal operations of libcurl" - // - http://curl.haxx.se/libcurl/c/curl_global_init.html - CURLcode code = curl_global_init(CURL_GLOBAL_ALL); - - check_curl_code(code); - -#if SAFE_SSL - S32 mutex_count = CRYPTO_num_locks(); - for (S32 i=0; i<mutex_count; i++) - { - sSSLMutex.push_back(new LLMutex(NULL)); - } - CRYPTO_set_id_callback(&LLCurl::ssl_thread_id); - CRYPTO_set_locking_callback(&LLCurl::ssl_locking_callback); -#endif - -// sCurlThread = new LLCurlThread(multi_threaded) ; - if(multi_threaded) - { - sHandleMutexp = new LLMutex(NULL) ; -// Easy::sHandleMutexp = new LLMutex(NULL) ; - } -} - -void LLCurl::cleanupClass() -{ - sNotQuitting = false; //set quitting - - //shut down curl thread -// while(1) -// { -// if(!sCurlThread->update(1)) //finish all tasks -// { -// break ; -// } -// } - LL_CHECK_MEMORY -// sCurlThread->shutdown() ; - LL_CHECK_MEMORY -// delete sCurlThread ; -// sCurlThread = NULL ; - LL_CHECK_MEMORY - -#if SAFE_SSL - CRYPTO_set_locking_callback(NULL); - for_each(sSSLMutex.begin(), sSSLMutex.end(), DeletePointer()); - sSSLMutex.clear(); -#endif - - LL_CHECK_MEMORY - - // Free the template easy handle - curl_easy_cleanup(sCurlTemplateStandardHandle); - sCurlTemplateStandardHandle = NULL; - LL_CHECK_MEMORY - - - delete sHandleMutexp ; - sHandleMutexp = NULL ; - - LL_CHECK_MEMORY - - // removed as per https://jira.secondlife.com/browse/SH-3115 - //llassert(Easy::sActiveHandles.empty()); -} - -//static -CURLM* LLCurl::newMultiHandle() -{ - llassert(sNotQuitting); - - LLMutexLock lock(sHandleMutexp) ; - - if(sTotalHandles + 1 > sMaxHandles) - { - LL_WARNS() << "no more handles available." << LL_ENDL ; - return NULL ; //failed - } - sTotalHandles++; - - CURLM* ret = curl_multi_init() ; - if(!ret) - { - LL_WARNS() << "curl_multi_init failed." << LL_ENDL ; - } - - return ret ; -} - -//static -CURLMcode LLCurl::deleteMultiHandle(CURLM* handle) -{ - if(handle) - { - LLMutexLock lock(sHandleMutexp) ; - sTotalHandles-- ; - return curl_multi_cleanup(handle) ; - } - return CURLM_OK ; -} - -//static -CURL* LLCurl::newEasyHandle() -{ - llassert(sNotQuitting); - LLMutexLock lock(sHandleMutexp) ; - - if(sTotalHandles + 1 > sMaxHandles) - { - LL_WARNS() << "no more handles available." << LL_ENDL ; - return NULL ; //failed - } - sTotalHandles++; - - CURL* ret = createStandardCurlHandle(); - if(!ret) - { - LL_WARNS() << "failed to create curl handle." << LL_ENDL ; - } - - return ret ; -} - -//static -void LLCurl::deleteEasyHandle(CURL* handle) -{ - if(handle) - { - LLMutexLock lock(sHandleMutexp) ; - LL_CHECK_MEMORY - curl_easy_cleanup(handle) ; - LL_CHECK_MEMORY - sTotalHandles-- ; - } -} - -const unsigned int LLCurl::MAX_REDIRECTS = 5; - -// Provide access to LLCurl free functions outside of llcurl.cpp without polluting the global namespace. -void LLCurlFF::check_easy_code(CURLcode code) -{ - check_curl_code(code); -} -// void LLCurlFF::check_multi_code(CURLMcode code) -// { -// check_curl_multi_code(code); -// } - - -// Static -CURL* LLCurl::createStandardCurlHandle() -{ - if (sCurlTemplateStandardHandle == NULL) - { // Late creation of the template curl handle - sCurlTemplateStandardHandle = curl_easy_init(); - if (sCurlTemplateStandardHandle == NULL) - { - LL_WARNS() << "curl error calling curl_easy_init()" << LL_ENDL; - } - else - { - CURLcode result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); - check_curl_code(result); - result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_NOSIGNAL, 1); - check_curl_code(result); - result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_NOPROGRESS, 1); - check_curl_code(result); - result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_ENCODING, ""); - check_curl_code(result); - result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_AUTOREFERER, 1); - check_curl_code(result); - result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_FOLLOWLOCATION, 1); - check_curl_code(result); - result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_SSL_VERIFYPEER, 1); - check_curl_code(result); - result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_SSL_VERIFYHOST, 0); - check_curl_code(result); - - // The Linksys WRT54G V5 router has an issue with frequent - // DNS lookups from LAN machines. If they happen too often, - // like for every HTTP request, the router gets annoyed after - // about 700 or so requests and starts issuing TCP RSTs to - // new connections. Reuse the DNS lookups for even a few - // seconds and no RSTs. - result = curl_easy_setopt(sCurlTemplateStandardHandle, CURLOPT_DNS_CACHE_TIMEOUT, 15); - check_curl_code(result); - } - } - - return curl_easy_duphandle(sCurlTemplateStandardHandle); -} |